S1131 Datasheet, PDF (19/30 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.4.1_00
S-1131 Series
(7) Ripple rejection
S-1131B15 (Ta = 25°C)
VIN = 2.5 V, COUT = 2.2 μF
100
80
IOUT = 1 mA
60
40
20
0
10
30 mA
100 1 k 10 k
Frequency [Hz]
80 mA
100 k 1 M
S-1131B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 2.2 μF
100
80
60
IOUT = 1 mA
40
20
0
10
30 mA
80 mA
100 1 k 10 k 100 k 1 M
Frequency [Hz]
S-1131B30 (Ta = 25°C)
VIN = 4.0 V, COUT = 2.2 μF
100
80
60
IOUT = 1 mA
40
20
0
10
30 mA
80 mA
100 1 k 10 k 100 k 1 M
Frequency [Hz]
Seiko Instruments Inc.
19